<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: seeking to end of data with data gap.</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="mediasource.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

runWithMSE(function(ms, el) {

  once(ms, 'sourceopen').then(function() {
    ok(true, "Receive a sourceopen event");
    var videosb = ms.addSourceBuffer("video/mp4");
    var audiosb = ms.addSourceBuffer("audio/mp4");

    fetchAndLoad(videosb, 'bipbop/bipbop_video', ['init'], '.mp4')
    .then(fetchAndLoad.bind(null, videosb, 'bipbop/bipbop_video', range(1, 6), '.m4s'))
    .then(fetchAndLoad.bind(null, audiosb, 'bipbop/bipbop_audio', ['init'], '.mp4'))
    .then(function() {
      is(videosb.buffered.length, 1, "continuous buffered range");
      // Ensure we have at least 2s less audio than video.
      audiosb.appendWindowEnd = videosb.buffered.end(0) - 2;
      return fetchAndLoad(audiosb, 'bipbop/bipbop_audio', range(1, 6), '.m4s');
    }).then(function() {
      ms.endOfStream();
      return Promise.all([once(el, "durationchange"), once(ms, "sourceended")]);
    }).then(function() {
      ok(true, "endOfStream completed");
      // Seek to the middle of the gap where audio is missing. As we are in readyState = ended
      // seeking must complete.
      el.currentTime = videosb.buffered.end(0) / 2 + audiosb.buffered.end(0) / 2;
      ok(el.currentTime - audiosb.buffered.end(0) > 1, "gap is big enough");
      is(el.buffered.length, 1, "continuous buffered range");
      is(el.buffered.end(0), videosb.buffered.end(0), "buffered range end is aligned with longest track");
      ok(el.seeking, "element is now seeking");
      ok(el.currentTime >= el.buffered.start(0) && el.currentTime <= el.buffered.end(0), "seeking time is in buffered range");
      ok(el.currentTime > audiosb.buffered.end(0), "seeking point is not buffered in audio track");
      return once(el, 'seeked');
    }).then(function() {
      ok(true, "we have successfully seeked");
      // Now ensure that we can play to the end, even though we are missing data in one track.
      el.play();
      once(el, 'ended').then(SimpleTest.finish.bind(SimpleTest));
    });
  });
});

</script>
</pre>
</body>
</html>
